Cheap flights from Barcelona to Boston from £258

In general, October is the cheapest month to fly from Barcelona to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £112. The month of August is another great option to travel to Boston, with average flight prices from Barcelona averaging around £112.

The cheapest day to depart on your flight to Boston is on a Tuesday when prices can be found for as low as £394. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around £554. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boston.

Our most recent data shows that the best time of day to fly to Boston is in the afternoon. Flights from Barcelona to Boston during this time can be as low as £428. In the morning is when there is more demand to fly to Boston, so prices are often more expensive at around £559 per ticket.

Fly from Barcelona-El Prat to Boston Logan Intl for the best Barcelona - Boston Logan Intl flight prices

You are more likely to see cheaper flights to Boston from Barcelona when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around £395 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Barcelona for as low as £304 on momondo.

Historically, on average around 9% of flights between Barcelona and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 147 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, LEVEL have had the fewest delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

As of April 2026, 2 flights take off from Barcelona and land in Boston each day. The most common flight departure time for this route is 18:00, with 72% of daily flights taking off in the evening.

17 flights are operational weekly from Barcelona to Boston as of April 2026. The most popular departure day for this route is Thu, with 29% of flights per week taking off on this day.